api_call: Helper function for centralize API queries

In nominatimlite: Interface with 'Nominatim' API Service

Helper function for centralize API queries

Description

A wrapper of utils::download.file(). On warning on error it will retry the call. Requests are adjusted to the rate of 1 query per second.

See Nominatim Usage Policy.

Usage

api_call(url, destfile, quiet)

Arguments

url	a character string (or longer vector for the "libcurl" method) naming the URL of a resource to be downloaded.
destfile	a character string (or vector, see the url argument) with the file path where the downloaded file is to be saved. Tilde-expansion is performed.
quiet	If TRUE, suppress status messages (if any), and the progress bar.

Value

A logical TRUE/FALSE

See Also

API Management: nominatim_check_access()

nominatimlite documentation built on Aug. 15, 2023, 5:08 p.m.